she used to like to go to shooting ranges. in fact, she was described as passionate about her shooting, and even took her sons to shooting targets, shooting ranges to practice shooting there. so, that was a sort of another aspect of this that we'll clearly want to know more about. we do know that adam lanza had tried to get a long gun assault rifle at a sporting goods store in danberry, just on tuesday. the sale didn't go through, because he didn't want to go through the waiting period that connecticut law requires. but he was able to draw from the gun collection of his mother, nancy lanza, who of course he ended up shooting as well. >> earlier today, police said they had good evidence of a possible motive. we did not hear anymore about that evidence in that last news conference. at this point, any indication what that evidence might look like? perhaps a note? >> no, actually, all we know is that it came in response to a question from lester holt about e-mails or writings that adam lanza may have been left around or had been f